Director statistics United States Fuel Administration, 1917-1918. Director bureau of Economics, National. Editor Coal Age, New York, 1920-1923.
Chief engr; president Lesher & Associates, Inc.
Author of Government repts. on coal covering years 1915-1919, also Geological Survey repts. on coke and by-products for same period. History of Coal Distribution (3 vols.). Prices of Coal and Coke (1913-1919), 1920.
Contributor to “What Coal Commission Found,” 1925. “Marketing of Minerals,” 1925, and technical papers on low-temperature carbonization, American Institute Mining and Metallurgical Engineers.